How to include classpath jars into a jar in Ant

Question

I am developing a desktop application using swingx, spring and using ant to build them. This is my first project in ant. How can add classpath jars to the executable jar build by ant? I have swingx, spring jar into my classpath. This my target for jar:

<target name="jar">
    <mkdir dir="build/jar" />
    <jar destfile="build/jar/MainClass.jar" basedir="build/classes">
        <manifest>
            <attribute name="Main-Class" value="MainClass" />
        </manifest>         
    </jar>
</target>

Edit:

<project name="Number">
    <description>
            description
    </description>

    <property name="lib" value="lib" />
    <property name="src" value="src" />
    <property name="build" value="build" />
    <property name="classes" value="classes" />
    <property name="jar" value="jar"/>

    <target name="clean">
        <delete dir="${build}" />
    </target>

    <path id="classpath">
        <fileset dir="${lib}" includes="**/*.jar" />
    </path>

    <target name="compile">
        <mkdir dir="${build}/${classes}" />
        <javac srcdir="${src}" destdir="${build}/${classes}" classpathref="classpath" />
    </target>

    <target name="jar" depends="clean, compile">
        <mkdir dir="${build}/${jar}" />
        <jar destfile="build/jar/Number.jar" basedir="${build}/${classes}">
            <manifest>
                <attribute name="Main-Class" value="MainClass" />
            </manifest>
            <fileset file="test.txt">
            </fileset>
        </jar>
    </target>

    <target name="run">
        <java jar="${build}/${jar}/MainClass.jar" fork="true" />
    </target>
</project>

Prine Prine · Accepted Answer · 2011-08-14T14:04:05

You can add them with the following code:

<target name="compile">
    <mkdir dir="${classes.dir}"/>
    <javac srcdir="${src.dir}" destdir="${classes.dir}">
        <classpath>
               <fileset dir="${lib}">
                  <include name="**/*.jar" />
               </fileset>
         </classpath>
    </javac>
</target>

<target name="jar" depends="compile">
    <mkdir dir="${jar.dir}"/>
    <jar destfile="${jar.dir}/${ant.project.name}.jar" basedir="${classes.dir}">
        <manifest>
            <attribute name="Main-Class" value="${main-class}"/>
        </manifest>
        <zipgroupfileset dir="${lib}" includes="**/*.jar"/>
    </jar>

</target>

This would include all *.jar files which are under the ${lib} folder.

But this code should be in an ant compile target. Because before generating the jar bundle you need to compile it. And therefore you need the swingx, spring jars.

How to include classpath jars into a jar in Ant

1 Answers